Osaka Loop Line

Kim Yong, a Zainichi Korean boy from Osaka, accidentally gets caught up in a fight with the nephew of a yakuza. Kim Yong is given the mission of infiltrating a Korean village and stealing an ID card by order of the yakuza. The villagers, who seemed ordinary, seem to be up to something... At first, he only thought of completing the mission and receiving money, but Kim Yong gradually becomes one with the villagers and joins the village's goal of 'establishing a homeland in Osaka.

(Source: Naver, translated)